Optic projection : principles, installation and use of the magic lantern, projection microscope, reflecting lantern, moving picture machine, fully illustrated with plates and with over 400 text-figures (1914)

Record Details:

Title:
Optic projection : principles, installation and use of the magic lantern, projection microscope, reflecting lantern, moving picture machine, fully illustrated with plates and with over 400 text-figures
Date:
1914
Author:
Gage, Simon Henry, 1851-1946
Publisher:
Ithaca, N.Y. : Comstock Publishing Co.
Volume:
Optic projection : principles, installation and use of the magic lantern, projection microscope, reflecting lantern, moving picture machine, fully illustrated with plates and with over 400 text-figures
Leaf #:
00079
Language:
English
Format:
Books
Contributor:
Gerstein - University of Toronto
Sponsor:
MSN
Coordinator:
Media History Digital Library
Description:
Bibliography: p. 693-703
Date Added:
July 19, 2022
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64 DO AND DO NOT WITH THE MAGIC LANTERN [Cn. I § 99i. Summary of Chapter I : Do 1 . Connect both supply wires to the arc lamp as indicated in fig. 3, i. e., connect the positive wire with the binding post of the upper carbon and the negative wire with the binding post of the lower carbon. Make sure of the polarity (§ 80). 2. Always use a rheostat or other balancing device with an arc lamp (§6). 3. Insert the rheostat along one wire (fig. 1-4). 4. Insert the ammeter along one wire (fig. 2,4). 5. Always have a double-pole switch on the lantern table (fig. i-3). 6. Insert the switch along both wires, and before the rheostat, so that all the apparatus on the lantern table has no current when the switch is open (fig. 3). 7. Always open the switch before changing any of the wires. Do NOT i. Do not connect the negative wire to the upper carbon and thus make the polarity wrong. 2. Never try to use an arc lamp without a balancing device —(rheostat, etc.). 3 . Do not connect both wires with the binding posts of the rheostat, but insert it in one wire. 4. Do not connect the ammeter with both wires. Insert it in one wire. 5. Do not try to get along without a double-pole table switch. 6. Do not insert the switch along one wire, but connect it with both wires. Do not put the switch after the rheostat, etc., but before. 7 . Never change wires on the apparatus until the current is turned off by opening the switch.